added database migration and initialization logic to backend, including migration loader and async migration runner

backend-rust/src/main.rs

@@ -0,0 +1,22 @@
+use std::path::Path;
+
+mod db;
+mod migrations;
+
+#[tokio::main]
+async fn main() {
+    let migrations_folder = String::from("src/migrations");
+
+    let db_path = Path::new("owlynews.sqlite3");
+    let migrations_path = Path::new(&migrations_folder);
+
+    match db::initialize_db(&db_path, migrations_path).await {
+        Ok(_conn) => {
+            println!("Database initialized successfully");
+            // Logic goes here
+        }
+        Err(e) => {
+            println!("Error initializing database: {:?}", e);
+        }
+    }
+}